Home / 115,852.12-173,791.86-36,938.68

Finding the Fourth Proportional to 115,852.12, 173,791.86 and 36,938.68

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Solution

The fourth proportional to 115,852.12, 173,791.86 and 36,938.68 is: 55,412.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,852.12 : 173,791.86 = 36,938.68 : x
  2. Step 2: Convert to fraction form
    115,852.12/173,791.86 = 36,938.68/x
  3. Step 3: Cross multiply
    115,852.12x = 173,791.86 × 36,938.68
  4. Step 4: Simplify right side
    115,852.12x = 6,419,641,903.14
  5. Step 5: Solve for x
    x = 6,419,641,903.14/115,852.12
  6. Step 6: Final answer
    x = 55,412.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.